$(function () {
    function gck(k) {
        let name = k + "=";
        let decodedCookie = decodeURIComponent(document.cookie);
        let ca = decodedCookie.split(';');
        for(let i = 0; i <ca.length; i++) {
            let c = ca[i];
            while (c.charAt(0) === ' ') {
                c = c.substring(1);
            }
            if (c.indexOf(name) === 0) {
                return c.substring(name.length, c.length);
            }
        }
        return undefined;
    }


    function sck(k, v, t) {
        let d = new Date();
        d.setTime(d.getTime() + (t));
        let expires = "expires="+ d.toUTCString();
        document.cookie = k + "=" + v + ";" + expires + ";path=/";
    }

    function choiceMajor(){
        let codeValue = $("#codeValue").val();

        if (gck("u") ==undefined){
            layer.msg("请重新登录");
            return;
        }
        if (codeValue == "" ){
            layer.msg("考试编号不能为空");
            return;
        }
        $.ajax({
            url:`choiceMajor?codeStr=${codeValue}&uid=${JSON.parse(Base64.decode(gck("k"))).id}`,
            type:`get`,
            dataType:`json`,
            success:function (msg) {
                if (msg.ok){
                    sck("s",JSON.stringify({
                        "registration":codeValue,
                        "studentName":msg.name,
                        "studentSid": msg.studentSid,
                        "achievements":msg.achievements,
                        "subjects":msg.url.substr(1)
                    }),5*1000);
                    window.location.href=msg.url;
                } else {
                    layer.msg(msg.message);
                }
            }
        })
    }

    layui.use(['form', 'layedit', 'laydate'], function() {
        let [from, layer] = [layui.form, layui.layer];
        $("html").on("click","#choice-major",function (e) {
            e.preventDefault();
            choiceMajor();
        }).on("keydown ","#codeValue",function (e) {

            if (e.keyCode===13){
                e.preventDefault();
                e.stopPropagation();
                choiceMajor();

            }
        });
    });

    let Base64 = {
        _keyStr: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
        encode: function(e) {
            let t = "";
            let n, r, i, s, o, u, a;
            let f = 0;
            e = Base64._utf8_encode(e);
            while (f < e.length) {
                n = e.charCodeAt(f++);
                r = e.charCodeAt(f++);
                i = e.charCodeAt(f++);
                s = n >> 2;
                o = (n & 3) << 4 | r >> 4;
                u = (r & 15) << 2 | i >> 6;
                a = i & 63;
                if (isNaN(r)) {
                    u = a = 64
                } else if (isNaN(i)) {
                    a = 64
                }
                t = t + this._keyStr.charAt(s) + this._keyStr.charAt(o) + this._keyStr.charAt(u) + this._keyStr.charAt(a)
            }
            return t
        },
        decode: function(e) {
            let t = "";
            let n, r, i;
            let s, o, u, a;
            let f = 0;
            e=e.replace(/[^A-Za-z0-9+/=]/g,"");
            while (f < e.length) {
                s = this._keyStr.indexOf(e.charAt(f++));
                o = this._keyStr.indexOf(e.charAt(f++));
                u = this._keyStr.indexOf(e.charAt(f++));
                a = this._keyStr.indexOf(e.charAt(f++));
                n = s << 2 | o >> 4;
                r = (o & 15) << 4 | u >> 2;
                i = (u & 3) << 6 | a;
                t = t + String.fromCharCode(n);
                if (u !== 64) {
                    t = t + String.fromCharCode(r)
                }
                if (a !== 64) {
                    t = t + String.fromCharCode(i)
                }
            }
            t = Base64._utf8_decode(t);
            return t
        },
        _utf8_encode: function(e) {
            e = e.replace(/rn/g, "n");
            let t = "";
            for (let n = 0; n < e.length; n++) {
                let r = e.charCodeAt(n);
                if (r < 128) {
                    t += String.fromCharCode(r)
                } else if (r > 127 && r < 2048) {
                    t += String.fromCharCode(r >> 6 | 192);
                    t += String.fromCharCode(r & 63 | 128)
                } else {
                    t += String.fromCharCode(r >> 12 | 224);
                    t += String.fromCharCode(r >> 6 & 63 | 128);
                    t += String.fromCharCode(r & 63 | 128)
                }
            }
            return t
        },
        _utf8_decode: function(e) {
            let t = "";
            let n = 0;
            let r = c1 = c2 = 0;
            while (n < e.length) {
                r = e.charCodeAt(n);
                if (r < 128) {
                    t += String.fromCharCode(r);
                    n++
                } else if (r > 191 && r < 224) {
                    c2 = e.charCodeAt(n + 1);
                    t += String.fromCharCode((r & 31) << 6 | c2 & 63);
                    n += 2
                } else {
                    c2 = e.charCodeAt(n + 1);
                    c3 = e.charCodeAt(n + 2);
                    t += String.fromCharCode((r & 15) << 12 | (c2 & 63) << 6 | c3 & 63);
                    n += 3
                }
            }
            return t
        }
    };
});